Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9080251 | Single crystal silicon pulling device, method for preventing contamination of silicon melt, and device for preventing contamination of silicon melt | Koichi Shimomura, Yoshiyuki Suzuki, Daisuke Ebi | 2015-07-14 |
| 8404046 | Single crystal silicon pulling apparatus, method for preventing contamination of silicon melt, and device for preventing contamination of silicon melt | Koichi Shimomura, Yoshiyuki Suzuki, Daisuke Ebi | 2013-03-26 |